Alva Review-Courier -

ALLENTOWN, Pa. (AP) — A man used homemade explosives to blow up a car last weekend, killing himself, his toddler son and an adult friend in a grisly murder-suicide whose planning he described in angry letters sent to police and family members, investigators said Thursday.

Jacob Schmoyer, 26, sent the letters shortly before the blast in Allentown that killed him, his 2-year-old son Jonathan "J.J." Schmoyer, and a friend, 66-year-old David Hallman, authorities said. One letter was delivered Tuesday, the rest on Wednesday, and were dated Sept. 29, Special Agent Don Robinson of the Bureau of Alcoh...